GLG’s profit excluding acquisition costs dropped 78 percent to $28.2 million, or 9 cents a share, from $127 million, or 38 cents, a year earlier, the London-based company said in a statement today. That compares with an average estimate of 6 cents a share, according to four analysts surveyed by Bloomberg. Assets fell to $15 billion from $17.3 billion in September and $24.6 billion a year earlier, dragged down by losses.